Is True

[Rainer Rosenthal]

Artur schrieb:
> Dear Seqfans,
> Who know that is true following:
> "Arithmetic mean of two succesive primes isn't prime number"
> If this is true which is proof of these (or where is publish)?

Let M be the arithmetic mean of A and B, where A < B.
You will agree that  A < M < B, won't you?

Think of A, M, B prime.
How on earth could B be the next prime after A?

> 
> Mery Christmas nad Happy New Year 2007
> ARTUR
> 

Thanks. Try to improve your math in 2007. It's even worse than mine :-(

Best regards,
Rainer Rosenthal
r.rosenthal at web.de